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Article Synopsis
- Ecologists face challenges in selecting appropriate methods for estimating migration and this study tests and compares several of these methods using large-scale datasets from South America.
- Five methods were assessed for their accuracy in estimating migration in spatially implicit and semi-explicit simulations, revealing that while most methods performed well in the former, accuracy in the latter depended on the balance of migration sources.
- The study concludes that migration estimates are better viewed as approximations reflecting community resemblance and regional species pool dynamics, rather than direct measurements, emphasizing the complex relationship between migration and beta diversity.